Feature/add infoblox service

gso/services/infoblox.py

@@ -18,6 +18,11 @@ class DeletionError(Exception):
 
 
 def _setup_connection() -> tuple[connector.Connector, IPAMParams]:
+    """Set up a new connection with an Infoblox instance.
+
+    :return: A tuple that contains an Infoblox `Connector` instance, and
+    :rtype: tuple[{class}`infoblox_client.connector.Connector`, IPAMParams]
+    """
     oss = load_oss_params().IPAM
     options = {
         "host": oss.INFOBLOX.host,
@@ -36,6 +41,22 @@ def _allocate_network(
     containers: list[str],
     comment: str | None = "",
 ) -> ipaddress.IPv4Network | ipaddress.IPv6Network:
+    """Allocate a new network in Infoblox.
+
+    The function will go over all given containers, and try to allocate a network within the available IP space. If no
+    space is available, this method raises an {class}`AllocationError`.
+
+    :param conn: An active Infoblox connection.
+    :type conn: {class}`infoblox_client.connector.Connector`
+    :param dns_view: The Infoblox `dns_view` in which the network should be allocated.
+    :type dns_view: str
+    :param netmask: The netmask of the desired network. Can be up to 32 for v4 networks, and 128 for v6 networks.
+    :type netmask: int
+    :param containers: A list of network containers in which the network should be allocated, given in CIDR notation.
+    :type containers: list[str]
+    :param comment: Optionally, a comment can be added to the network allocation.
+    :type comment: str, optional
+    """
     for container in [ipaddress.ip_network(con) for con in containers]:
         for network in container.subnets(new_prefix=netmask):
             if objects.Network.search(conn, network=str(network)) is None:
@@ -48,11 +69,30 @@ def _allocate_network(
 
 
 def hostname_available(hostname: str) -> bool:
+    """Check whether a hostname is still available **in Infoblox**.
+
+    Check whether Infoblox already contains a {class}`infoblox_client.objects.HostRecord` that matches the given
+    hostname. Be aware that this method only checks within the Infoblox instance, and not the rest of the internet.
+    The hostname could therefore still be taken elsewhere.
+
+    :param hostname: The hostname to be checked.
+    :type hostname: str
+    """
     conn, _ = _setup_connection()
     return objects.HostRecord.search(conn, name=hostname) is None
 
 
 def allocate_v4_network(service_type: str, comment: str | None = "") -> ipaddress.IPv4Network:
+    """Allocate a new IPv4 network in Infoblox.
+
+    Allocate an IPv4 network for a specific service type. The service type should be defined in the OSS parameters of
+    GSO, from which the containers and netmask will be used.
+
+    :param service_type: The service type for which the network is allocated.
+    :type service_type: str
+    :param comment: A comment to be added to the allocated network in Infoblox.
+    :type comment: str, optional
+    """
     conn, oss = _setup_connection()
     netmask = getattr(oss, service_type).V4.mask
     containers = getattr(oss, service_type).V4.containers
@@ -62,6 +102,16 @@ def allocate_v4_network(service_type: str, comment: str | None = "") -> ipaddres
 
 
 def allocate_v6_network(service_type: str, comment: str | None = "") -> ipaddress.IPv6Network:
+    """Allocate a new IPv6 network in Infoblox.
+
+    Allocate an IPv6 network for a specific service type. The service type should be defined in the OSS parameters of
+    GSO, from which the containers and netmask will be used.
+
+    :param service_type: The service type for which the network is allocated.
+    :type service_type: str
+    :param comment: A comment to be added to the allocated network in Infoblox.
+    :type comment: str, optional
+    """
     conn, oss = _setup_connection()
     netmask = getattr(oss, service_type).V6.mask
     containers = getattr(oss, service_type).V6.containers
@@ -71,6 +121,14 @@ def allocate_v6_network(service_type: str, comment: str | None = "") -> ipaddres
 
 
 def delete_network(ip_network: ipaddress.IPv4Network | ipaddress.IPv6Network) -> None:
+    """Delete a network in Infoblox.
+
+    Delete a network that is allocated in Infoblox, by passing the CIDR to be deleted. The CIDR must exactly match an
+    existing entry in Infoblox, otherwise this method raises a {class}`DeletionError`
+
+    :param ip_network: The network that should get deleted.
+    :type ip_network: ipaddress.IPv4Network | ipaddress.IPv6Network
+    """
     conn, _ = _setup_connection()
     network = objects.Network.search(conn, cidr=str(ip_network))
     if network:
@@ -82,6 +140,22 @@ def delete_network(ip_network: ipaddress.IPv4Network | ipaddress.IPv6Network) ->
 def allocate_host(
     hostname: str, service_type: str, cname_aliases: list[str], comment: str | None = ""
 ) -> tuple[ipaddress.IPv4Address, ipaddress.IPv6Address]:
+    """Allocate a new host record in Infoblox.
+
+    Create a new host record in Infoblox, by providing a hostname, and the service type that is associated with this new
+    host. Most likely to be a loopback interface. If the hostname is not available in Infoblox (due to a potential
+    collision) this method raises an {class}`AllocationError`.
+
+    :param hostname: The FQDN of the new host
+    :type hostname: str
+    :param service_type: The service type from which IP resources should be used.
+    :type service_type: str
+    :param cname_aliases: A list of any CNAME aliases that should be associated with this host. Most often this will
+                          be a single loopback address.
+    :type cname_aliases: list[str]
+    :param comment: Optionally, a comment can be added to the host record in Infoblox.
+    :type comment: str, optional
+    """
     if not hostname_available(hostname):
         raise AllocationError(f"Cannot allocate new host, FQDN {hostname} already taken.")
 
@@ -125,6 +199,14 @@ def allocate_host(
 
 
 def delete_host_by_ip(ip_addr: ipaddress.IPv4Address | ipaddress.IPv6Address) -> None:
+    """Delete a host from Infoblox.
+
+    Delete a host record in Infoblox, by providing the IP address that is associated with the record. Raises a
+    {class}`DeletionError` if no record can be found in Infoblox.
+
+    :param ip_addr: The IP address of the host record that should get deleted.
+    :type ip_addr: ipaddress.IPv4Address | ipaddress.IPv6Address
+    """
     conn, _ = _setup_connection()
     host = objects.HostRecord.search(conn, ipv4addr=ip_addr)
     if host:
@@ -134,6 +216,14 @@ def delete_host_by_ip(ip_addr: ipaddress.IPv4Address | ipaddress.IPv6Address) ->
 
 
 def delete_host_by_fqdn(fqdn: str) -> None:
+    """Delete a host from Infoblox.
+
+    Delete a host record in Infoblox, by providing the FQDN that is associated with the record. Raises a
+    {class}`DeletionError` if no record can be found in Infoblox.
+
+    :param fqdn: The FQDN of the host record that should get deleted.
+    :type fqdn: str
+    """
     conn, _ = _setup_connection()
     host = objects.HostRecord.search(conn, name=fqdn)
     host.delete()